The valve or rocker cover gasket is a very common area for oil leaks to develop. Over many years of engine heat cycles the gasket can degrade and become hard, loosing its seal. Reduce oil usage and ensure your vehicle is kept in roadworthy condition with this gasket set by Victor Reinz, an original equipment supplier to BMW. Made in Germany, this gasket comes complete with o-rings, gaskets, and accessories needed to complete the job.